contactform test

<?php
$name = $_POST['name'];
$email = $_POST['email'];
$message = $_POST['message'];
$from = 'From: Bob';
$to = '[email protected]';
$subject = 'Hello';
$human = $_POST['human'];
    $body = "From: $name\n E-Mail: $email\n Message:\n $message";
    if ($_POST['submit']) {
    if ($name != '' && $email != '') {
        if ($human == '4') {
            if (mail ($to, $subject, $body, $from)) {
	        echo '<p>Your message has been sent!</p>';
	    } else {
	        echo '<p>Something went wrong, go back and try again!</p>';
	    }
	} else if ($_POST['submit'] && $human != '4') {
	    echo '<p>You answered the anti-spam question incorrectly!</p>';
	}
    } else {
        echo '<p>You need to fill in all required fields!!</p>';
    }
}
?>